Spark-timer for gas-engines.



H. N. MOTSINGER. SPARK TIMER FOB GAS ENGINES. APPLICATION FILED SEPT. 2a, 1907.

907,628. Patend me, 22, 1908.

i tor Gf eral cylinilers when used in connection with u i head and one ot the Cooperating statlonarir (i HOMER N IGLEIN MOTSINGER, OF PENDLETON,

MFG. CO., OF PENDLETON,

A'rnnfr INDIANA, A CORPORATION FFICII.

INDIANA, Assieme To IIoTsINGnIi DEVICE t .L

or INDIANA.

SPARK-TIMER FOR GAS-EN GINES.

Application filed September 23,

i o all fir/mm it rfiycfmcerri:

Be it known that l, Ilorrnii N. MoTsINGEn, a Citizen of the limited States, residing at iii the eounty oi Madison and Il l eiidiet on,

State ol' indiana, han e in .'ented certain new and usctul Imprmeinents in Spark-Timers i Engines, ol' which the following is a g speorlif-ition. j The object ol my nizeiiiion is to produce l a de'jiee l'or inning and controllingtne1gn1ti ing circuit or Circuits t'or engines, and to pro ide means by which the time oi' action may be internally and manually retarded or adgancod, the Construetion beingsuch that, multiplicity of Cylinders, the sparking action in the ser- Will be accurately timed and the aeeuracy of timing Will not be aiected by the adxanoeinent or retardation ot' the spark.

A further object of niy in` ention is to so construct the parts that the appsratu.U may bedrixen in either direction i. n eqi-ul faoility and also suoli that a refusal of monement ot' the parts cannot, at any point, re-

y thereto.

l l l l l, sult in inuit ,l 'lhearcompanying drawings illustrate my j in. entren: t Figure 1 is a plan of the mechanism ernl bodying my inxeniion together with a diaam olf the Wiring, the eo er being omitted y d the rotating head being; shown in horizontal section; 191g. 2 an axial section; Fig. 3 a horizontal sectional detail ot the rotating terminals showing different positions of the swinging Contact. arm g Fig. 4 a similar Specification of Letters Patent.

l spindle in 5 4iunction Wi end of said spindle` right. angles to its axis is'transiei within which is mounted tact 'linger 15, said projecting radially from head 12 i yieldingly held in normal springI plunger 16 a spring 17 and block 18.

1 to t, the l'orm shown in ln this forni the iinger 1 an axial slot 21 through which .a pin 22 passes', said' pin being parallel with but eocei1- trio to the axis of liead 12. held normally radially plunger 16, swinging movement of the finger upon pin Patented Dec. 22, 1908. 1907. Serial N0. 394,106.

place within the casing in conth a head 12 torinedat theinner Formed in head 12 atv se slot 12 the swinging con- Contact `linger normally and beingposition by a f yieldingly held in place by Finger 15 may be mounted in head 124by 65*` i any suitable means which will not only perf mit a swinging of the. linger in either direction but uill also yielding ol the finger, tor a purpose which vwill appear. in which the finger form, haV 4ing a pair of sockets 19 under the head ot' the T and adapted to reeeiz'e a pair ot' pins 20 arranged upon opposite sides ot'- the stem of the linger, eccentric to the afgis of l ment being` such l"that the outer projecting end otl linger 15 may be swung in either direction upon one or illustrated in Fig. move bodilyY inwardly away from both pins permit a radially inward In Figs. 1 to 4 I show a form `70v 15 is T-shaped in general and also arranged 75.; read 12', the arrange,-

l the other of pins 2 0, as 3, and may also be free to 8.0;.A

O, as illustrated in Fig. 4. 'Instead of the construction shown in Fig'. 6 maybe used.

5"is provided with 85l Finger 15 is projected by the. said plunger yielding either to a New showing the position assumed by the 22 as an axis, or to a bodily movement parts iii. ease of astoppage and reversal radially inward, Wlich movement is pei'- when the movable ,Contact arm is radially mitted .by slot 21. opposite a stationary terminal, Fig. 5 an ele- Casing 1() is provided With a. flange 10 95 f.

scale, showing means ration, on a smaller o1' the apparatus relawhich surrounds hea-d 12 said lange which is mounted a terminal pin 24, the said pin being mounted in asuitable insulating bushing 25', and and project ed into the path of movement of lthe outer end of and at intervals is provided with a boss 10 in its inner end being` conical finger 15. Casing 10 is provided with an ear 26 to Which may be attached a link 27 or suitable Inember forming a connection between th' e kwhen spindle 12 is secured to a shaft rotate in proper time by the engine, easingA IUInay 1%05 asing and an operating lever28 Whereby be shifted upon the shaft by the operating member 28 so as to advance or retard the spark, in a Well knownmanner.

Any suitable system of Wiring may be used for utilizing this structure'in connection' with the spark lugs of 'an internal combustion engine, as 1llustrated,'for instance, diagrammatically in Fig. 1.

In operation the rotation of head 12" by the engine While casing 10 is held stationary, causes iinger 15 to be brought successively into engagement With the ends of terminals 24 and said finger 15 yields upon its pivotal mounting so asto Wipe successively across each stationary terminal and, as soon as it reaches the position indicated in dotted lines in Fig. 1, a very slight further advancement of head 12 results in a sudden snapping of the nger 15 away from the terminal 24 to the position indicated in dotted lines in Fig. 3, thus making a sudden break, which is very desirable for the production of a satisfactory igniting spark in a sparking circuit. Finger 15, projecting radially from head 12', oc cupies such a relation to the stationary terminals 24, that head 12. may be rotated in a reverse direction Without injury to any of the parts, and if, by any chance, the engine should stop at a point Where the tip of finger 15 rested upon the tip of' one of the statione ary terminals, and the engine should then be reversed, no injury would result to the parts because the finger 15 may yield inwardly bodily, as clearly shown in Fig. 4.

I claim as my invention:

1. In a timer, the combination of a casing carrving one or more terminals, a rotatable hea journaled therein, a cooperating normally radially extending contact 'arm carried by said head, and supporting means for said contact arm erinitting a swinging lmovement in the p ane of rotation and a yield substantially radial to the axis of the head', and yieldingly holding said finger in normal position.

2. In a timer, the combination of a casing carrying one or more terminals, a head jourcarrying one'or more terminals, a head. journaled therein, a contact arm pivotally mounted on said head and adapted to cooperate With the casing termin als, and means' permitting said contact arm to shift bodily substantially radially With yrelation to its pivotal support, and yieldingly holding said contact arm in normal position.

4.' In a timer, the combination of a casing carrying one or more terminals, a head jeun naled in said-casing, aT-shaped contact arm carried by said head and arranged to' pivot-l ally engage a pair of pins carried by said. head and to cooperate at its extended end With the terminals o1 the casing, and means for yieldingly holding said Tshaped arm in engagement with thc said pivot pins whereby said contact arm may pivot upon either or said pins or may yield bodily relative to said pins.

5. In a timer, the combination of a casing carrying one or more terminals, a head journaled in said casing, aT-shaped contact arm carried by said head and arranged to pivotally engage a pair of pins carried by said head and to cooperate at its extended end with the terminals or' the casing, and a spring plunger engaging said T-shaped head in opposition to said pivot pins, for the purpose set forth. f

In Witness whereof, l, have hereunto set my hand and seal at Indianapolis, Indiana, this seventeenth day of September, A. D. one thousand nine hundred and sexen.

Honra NAPOLEiN Morsire/ra. [La] Witnesses:

ARTHUR M. Hoon, THOMAS W. McMEANs. 

